Merge pull request #35 from SamyCoenen/feature/resource-reservation

Add cpu, mem reservations

README.md

@@ -22,6 +22,7 @@ This Terraform module deploys single or multiple virtual machines of type (Linux
 - Ability to configure advance features for the vm.
 - Ability to deploy either a datastore or a datastore cluster.
 - Ability to enable cpu and memory hot plug features for the VM.
+- Ability to enable cpu and memory reservations for the VM.
 - Ability to define different datastores for data disks.
 - Ability to define different scsi_controllers per disk, including data disks.
 - Ability to define network type per interface and disk label per attached disk.
@@ -100,6 +101,8 @@ module "example-server-windowsvm-advanced" {
   instances              = 2
   cpu_number             = 2
   ram_size               = 2096
+  cpu_reservation        = 2000
+  memory_reservation     = 2000
   cpu_hot_add_enabled    = "true"
   cpu_hot_remove_enabled = "true"
   memory_hot_add_enabled = "true"

main.tf

@@ -82,6 +82,8 @@ resource "vsphere_virtual_machine" "Linux" {
   num_cores_per_socket   = var.num_cores_per_socket
   cpu_hot_add_enabled    = var.cpu_hot_add_enabled
   cpu_hot_remove_enabled = var.cpu_hot_remove_enabled
+  cpu_reservation        = var.cpu_reservation
+  memory_reservation     = var.memory_reservation 
   memory                 = var.ram_size
   memory_hot_add_enabled = var.memory_hot_add_enabled
   guest_id               = data.vsphere_virtual_machine.template.guest_id
@@ -175,6 +177,8 @@ resource "vsphere_virtual_machine" "Windows" {
   num_cores_per_socket   = var.num_cores_per_socket
   cpu_hot_add_enabled    = var.cpu_hot_add_enabled
   cpu_hot_remove_enabled = var.cpu_hot_remove_enabled
+  cpu_reservation        = var.cpu_reservation
+  memory_reservation     = var.memory_reservation 
   memory                 = var.ram_size
   memory_hot_add_enabled = var.memory_hot_add_enabled
   guest_id               = data.vsphere_virtual_machine.template.guest_id

variables.tf

@@ -27,6 +27,12 @@ variable "cpu_number" {
   default     = 2
 }
 
+variable "cpu_reservation" {
+  description = "The amount of CPU (in MHz) that this virtual machine is guaranteed."
+  default     = null
+}
+
+
 variable "ram_size" {
   description = "VM RAM size in megabytes"
   default     = 4096
@@ -150,6 +156,11 @@ variable "memory_hot_add_enabled" {
   default     = null
 }
 
+variable "memory_reservation" {
+  description = "The amount of memory (in MB) that this virtual machine is guaranteed."
+  default     = null
+}
+
 variable "disk_label" {
   description = "Storage data disk labels"
   type        = list